This section gives the Department the powers to make regulations to permit the serving of a stop notice on a reservoir manager. Subsection (2) requires the Department to consult in accordance with section 90 prior to making regulations. Subsection (3) defines a stop notice as a notice prohibiting the carrying on of an activity, or permitting the carrying on of an activity by another until such steps as specified in the notice have been taken. Subsection (4) indicates the circumstances in which a stop notice may be issued and subsection (5) lists the conditions the Department must meet before exercising its power under the regulations.